Which of the following is an allowed set of four

4. Which of the following is an allowed set of four quantum numbers for an electron in a d
orbital ?
(a) n = 5, l = 3, m
l
= 0, m
s
= −1/2
(b) n = 2, l = 2, m
l
= 1, m
s
= +1/2
(c) n = 7, l = 2, m
l
= 0, m
s
= −1/2
(d) n = 2, l = 1, m
l
= −1, m
s
= +1/2
(e) n = 7, l = −2, m
l
= 2, m
s
= +1/2
5. Of the solids below the order of increasing lattice energy is:
6. The electron configuration of the In
1+
ion is
1
7. For a gaseous carbon atom in its' ground state which of the following are possible sets of
quantum numbers for two different electrons (electron 1 and electron 2 below) in the
highest energy orbital(s)?
electron 1 electron 2
n l m
l
m
s
n l m
l
m
s
(a) 2 0 0 – 1/2 2 0 0 +1/2
(b) 2 1 0 +1/2 2 1 0 – 1/2
(c) 2 1 1 +1/2 2 1 0 – 1/2
(d) 2 1 0 +1/2 2 1 – 1 +1/2
(e) 2 0 1 +1/2 2 1 1 +1/2

Chemistry 107 Examination 2(A), November 2, 2012 page 4 of 12
8. Which of the following correctly describe the shape of the molecule?
(1) T-shaped
..
.. ..
..
:
:
F
Cl F
F
:
:
..
.. ..
(2) trigonal planar
O S
: :
..
..
..
O
: :
..
:
:
O
(3) square planar
:
..
..
.. ..
..
:
:
F
Br F
F
:
.. F
:
:
..
F
:
:
..
(4) trigonal bipyramidal
F
:
:
..
..
.. ..
..
:
:
F
Se F
F
: :
..
..
(5) trigonal pyramid
:
..
..
..
..
..
O
O
S
:
..
..
..
..
..
O
O
S
9. Assuming an MO diagram with orbital energies like that of O
2
which of the following has a
bond order of 1 and is diamagnetic?
(a) O
2
2+
(b) NO
3+
(c) NO
1 –
(d) OF (e) NF
2 –
10. Which of the following correctly order the atoms in terms of increasing values of the
indicated property?
(1) atomic size: K < P < Cl < Ar
(2) ionization energy: K < Ca < Br < Kr
(3) electron affinity: Li < C < O < Ne

Chemistry 107 Examination 2(A), November 2, 2012 page 5 of 12